Scientists test brain chip to restore sight in the blind
NCT ID NCT04634383
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial is testing a brain implant designed to create artificial vision in people who are blind. Five participants will have a wireless device surgically placed in the part of the brain that processes vision. The study will check if the device is safe and whether it can produce visual perceptions through electrical stimulation.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- wireless floating microelectrode array (brain implant)
- What this could lead to
- If successful, this could lead to a device that restores a form of artificial vision for people who are blind.
- What could go wrong
- This is a very early, small trial with only 5 people. The implant requires brain surgery, which carries risks like infection or bleeding. It may not produce useful vision.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Illinois Tech
RECRUITINGChicago, Illinois, 60616, United States
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